자라풀-[정명] Hydrocharis dubia (Blume) Backer

자라풀

 

자라풀 과명 Hydrocharitaceae (자라풀과) 속명 Hydrocharis (자라풀속) 전체학명 [정명]Hydrocharis dubia (Blume) Backer 추천명 자라풀 이명 수련아재비 외국명 Frogbit ,ドチカガミ 자라풀

 

 

 

 

Fresh-water plants with 15-25 cm long stolons and fibrous roots. Leaves floating or emergent, lamina ovate-cordate to broad-ovate or suborbicular, 2-6 cm long, 2-7.5 cm broad, obtuse, entire, basally ± cordate or reniform, often truncate; petiole 3-15 cm long, thickened towards the base; stipule solitary, liguliform, 5-25 mm long, obtuse. Male spathe of 2 bracts, 10-30 mm long, on up to 25 mm long peduncle. Male flowers on 3-6 mm long pedicles; sepals oblong, 4-8 mm long, 2-5 mm wide, brownish mottled; petals 8-18 mm long, 6-9 mm wide, white with yellow claw; stamens often in 6 pairs, the antipetalous 3 pairs staminodial or with minute orange-yellow anthers, filaments dilated, yellow, ribbed. Female spathe smaller than male one. Female flower: sepals and petals as in male; staminodes opposite the sepals, free or connate; ovary oblong-elliptic, 5-6 mm long; styles bibbed, hairy. Fruit 5-10 mm long, 4-8 mm in diameter. Seeds with mucilaginous hairs, broadly ellipsoidal, 1-1.5 mm long.

 

http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200024722

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

자라풀 참고 :

http://plants.minibird.jp/hydrophytes/plants/fuyuu/ta_gyou/totikagami/totikagami.html

 

https://youtu.be/x5AOZxu85BM

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